The original estimated cost was around €280 million for the 4km cable-stay structure when the contract was awarded by the Danish Road Directorate (Vejdirektoratet).
The road tunnel crossing near London would be the first major UK infrastructure project to use hydrogen to power the heavy machinery of a project’s main contractors.
The Preston Western Distributor Project consists of a new motorway junction - the M55 Junction 2 - a dual carriageway and two connecting link roads in northern England.
Sund & Bælt has completed an environmental assessment of the tunnel element factory for the 18km Fehmarnbelt project between Denmark’s Lolland and Germany’s Fehmarn islands.